Jeff Bauman says his son, 27-year-old Jeff Bauman Jr., is the man in an Associated Press photo taken shortly after the bombing.

His father says on his Facebook page that his son had to have both lower limbs removed at Boston Medical Center because of extensive vascular and bone damage. He says his son also had to have another surgery because of fluid in his abdomen.

Bauman says his son was there to watch his girlfriend run. She was not hurt. He says his son was in the wrong place at the wrong time.

Photo timeline: Boston Marathon bombing

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This photo taken before the bombings shows suspect Dzhokhan Tsarnaev in the background with what may be the bomb in a backpack in the lower part of the frame near the railing.